Asked by Seth
Consider an alloy that is 14.1% copper by mass in tin. Copper makes up what percentage of the atoms in this sample?
Answers
Answered by
DrBob222
Take a 100 g sample. That will be 14.1 grams Cu and 85.9 g Sn.
mols Cu = 14.1/63.55 = 0.222
mols Sn = 85.9/118.7 = 0.724
atoms Cu = mols x 6.02E23 = 0.222 x 6.02E23 = 1.34E23
atoms Sn = 0.724 x 6.02E23 = 4.36E23
%Cu by atoms = (atoms Cu/total atoms)*100 = ?
Check all of those numbers including the atomic masses.
mols Cu = 14.1/63.55 = 0.222
mols Sn = 85.9/118.7 = 0.724
atoms Cu = mols x 6.02E23 = 0.222 x 6.02E23 = 1.34E23
atoms Sn = 0.724 x 6.02E23 = 4.36E23
%Cu by atoms = (atoms Cu/total atoms)*100 = ?
Check all of those numbers including the atomic masses.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.